1、ICS 75.080Minerallerzeugnisse Bestimmung des Wassergehaltes Coulometrische Titration nach Karl Fischer(ISO 12937 : 2000)European Standard EN ISO 12937 : 2000 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been published in accordance with a
2、decision taken by CEN/TC 19 to adopt, withoutalteration, International Standard ISO 12937 as a European Standard.The responsible German body involved in its preparation was the Normenausschuss Materialprfung(Materials Testing Standards Committee).The DIN Standards corresponding to the International
3、Standards referred to in clause 2 of the EN are asfollows:ISO 3170 DIN EN ISO 3170, DIN 51750-1 and DIN 51750-2ISO 3171 DIN EN ISO 3171National Annex NAStandards referred to(and not included in Normative references)DIN 51750-1 Sampling of petroleum products GeneralDIN 51750-2 Sampling of liquid petr
4、oleum productsDIN EN ISO 3170 Petroleum liquids Manual sampling (ISO 3170 : 1988 + A1 : 1998)DIN EN ISO 3171 Petroleum liquids Automatic pipeline sampling (ISO 3171 : 1988)Ref. No. DIN EN ISO 12937 : 2002-03English price group 09 Sales No. 110907.02DEUTSCHE NORM March 2002EN ISO 12937Continued overl
5、eaf.EN comprises 12 pages. No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Petroleum productsDetermination of water Co
6、ulometric Karl Fischer titration method(ISO 12937 : 2000)English version of DIN EN ISO 12937English versionICS 75.080Descriptors:Petroleum productsDetermination of water Coulometric Karl Fischer titration method(ISO 12937 : 2000) 2001. CEN All rights of exploitation in any form and by any meansreser
7、ved worldwide for CEN national members.Ref. No. EN ISO 12937 : 2000 EMinerallerzeugnisse Bestimmungdes Wassergehaltes CoulometrischeTitration nach Karl Fischer(ISO 12937 : 2000)This European Standard was approved by CEN on 2000-10-27.CEN members are bound to comply with the CEN/CENELEC Internal Regu
8、lationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre or to anyCEN member.The European
9、 Standards exist in three official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national stand
10、ards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland,and the United Kingdom.EN ISO 12937November 2000Management Centre: rue de Stassart 36, B-1050 BrusselsEurop
11、ean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr Normung|Produits ptroliers Dosage de leau Mthode de titrage Karl Fischer parcoulomtrie (ISO 12937 : 2000)Page 2EN ISO 12937 : 2000ForewordInternational StandardISO 12937 : 2000 Petroleum products Determination of w
12、ater Coulometric Karl Fischer titration method,which was prepared by ISO/TC 28 Petroleum products and lubricants of the International Organization forStandardization, has been adopted by Technical Committee CEN/TC 19 Petroleum products, lubricants andrelated products, the Secretariat of which is hel
13、d by NEN, as a European Standard.This European Standard shall be given the status of a national standard, either by publication of an identical textor by endorsement, and conflicting national standards withdrawn, by May 2001 at the latest.In accordance with the CEN/CENELEC Internal Regulations, the
14、national standards organizations of thefollowing countries are bound to implement this European Standard:Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United
15、Kingdom.Endorsement noticeThe text of the International Standard ISO 12937 : 2000 was approved by CEN as a European Standard withoutany modification.23344556677788911Page 3EN ISO 12937 : 2000Page 4EN ISO 12937 : 2000Page 5EN ISO 12937 : 2000Page 6EN ISO 12937 : 2000Page 7EN ISO 12937 : 2000Page 8EN ISO 12937 : 2000Page 9EN ISO 12937 : 2000Page 10EN ISO 12937 : 2000Page 11EN ISO 12937 : 2000Page 12EN ISO 12937 : 2000
